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IBL/Annexin-V IgG/IgM ELISA/RE70451/

价格
¥7000.00
货号:RE70451
浏览量:127
品牌:IBL
服务
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商品描述
Kitsize12x8
MethodELISA
Incubationtime1x30min,2x15min
Standardrange1-300IU/ml;cut-off:15IU/ml
Specimen/Volumes10µLserum
Substrate/isotopeTMB450nm
RegulatoryStatus:Forresearchuseonly
Detailsfor: Annexin-VIgG/IgMELISA
AnnexinIgG/IgMELISAisasolidphaseenzymeimmunoassayforthequantitativeandqualitativedetectionofIgGand/orIgMantibodiesagainstAnnexinVinhumanserum.TheassayemploysnativehumanAnnexinV.Theassayisatoolinthediagnosisoftheantiphospholipidsyndrome.AntibodiestargetingAnnexinVbelongtothefamilyofantiphospholipidantibodiesincludingforexampleanti-Cardiolipin,ß2-glycoproteinI(ß2-GPI)andProthrombinantibodiesandareassociatedwithprimaryandsecondaryantiphospholipidsyndrome(APS).Clinically,theAPSischaracterizedbyvenousandarterialthrombosisandseverepregnancycomplications.Anti-AnnexinVantibodieshavebeendetectedinpatientswithsystemicautoimmunediseases,especiallysystemiclupuserythematosus,buthavealsobeenassociatedtointrauterinefetalloss,recurrentabortionsandpreeclampsiainAPSpatients.AnnexinVisaCa2+-dependent,phospholipid-bindingproteinwithpotentanticoagulantactivitythatisabundantincellsexposedtoblood,suchasplatelets,trophoblasts,andendothelialcells.ThehighconcentrationofannexinVinplacentalsyncytiotrophoblastshasbeenproposedasamechanismtomaintainbloodfluidityonthesurfaceoftheplacentaandplacentalintergrity.ItthereforeunsuressupplyofthefoetuswithnutrientsandfetalviABIlity.ThrombosisandpregnancylossintheantiphospholipidsyndromemaybecausedbydisruptionofthisAnnexinVshieldbyantiphospholipidantibodiesleADIngtoanincreaseinthequantityofthrombogenicphospholipidsexposedtothecirculatingblood.Anti-AnnexinVautoantibodiesaresupposedtointerferewiththeanticoagulantfunctionofAnnexinVcausingplacentalthrombosisanddisruption.Consequently,thedetectionofanti-AnnexinantibodiesshouldbeincludedintheSEROlogicaldiagnosisofAPSespeciallyinfemalepatientsatriskforobstetriccomplications.
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